ChessmooseOpponent prep

Jan Havenaar

NED · FIDE ID 1005081 · 3 tournament games since 2026
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Standard
1935
#1678 in NED (active)
Rapid
–
Unrated
Blitz
1813
#1018 in NED (active)
Score
50%
1 W · 1 D · 1 L
Opp. avg
1893
Last 3 games
Last game
2026-07-13
Amsterdam Chess Festival 2026 - Group B

Prep summary

Not enough games yet for a summary.

Based on 3 over-the-board games. 2 with White (50%), 1 with Black (50%).

Openings as White

First move

1.g310%
1.Nc31100%

Most played

OpeningGamesScore
Hungarian Opening10%
Sicilian Defense: Lasker-Pelikan Variation1100%

Openings as Black

Against 1.e4 (1 game)

1...c5 Sicilian Defense150%

Most played

OpeningGamesScore
Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line150%

Recent games

DateOpponent and eventResult
2026-07-13Simeon Hoetink (1893)
Amsterdam Chess Festival 2026 - Group B
L
2026-07-12Timardi Verhoeff (1916)
Amsterdam Chess Festival 2026 - Group B
½
2026-07-11Chris Regeling (1869)
Amsterdam Chess Festival 2026 - Group B
W

Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.